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Inspection Procedure

  1. INSPECT POWER WINDOW REGULATOR MOTOR 
    1. Remove the power window motor.
    2. Apply battery voltage to the motor connector according to the table below.
      NOTE: Do not apply battery to any terminals except terminals 1 and 2.

      Standard 

      MEASUREMENT CONDITION SPECIFIED CONDITION REFERENCE CHART

      Measurement Condition Specified Condition
      Battery positive (+) → Terminal 1 (D)
      Battery negative (-) → Terminal 2 (U)
      Motor gear rotates clockwise
      Battery positive (+) → Terminal 2 (U)
      Battery negative (-) → Terminal 1 (D)
      Motor gear rotates counterclockwise
      Fig 1: Inspecting Power Window Regulator Motor
      G05006578Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE POWER WINDOW REGULATOR MOTOR 

    OK: Go to next step 

  2. CHECK WIRE HARNESS (WINDOW REGULATOR MOTOR - MULTIPLEX NETWORK MASTER SWITCH) 
    1. Disconnect the P22 and P23 connectors.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION REFERENCE CHART

      Tester Connection Condition Specified Condition
      P22-1 (UP) - P23-2 (U) Always Below 1 Ω
      P22-11 (DN) - P23-1 (D) Always Below 1 Ω
      P22-1 (UP) - Body ground Always 10 kΩ or higher
      P22-11 (DN) - Body ground Always 10 kΩ or higher
    3. Fig 2: Identifying P22 And P23 Connector Terminals
      G05281081Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE